Jiafu Zhang
Inventor
Stats
- 1 US patents issued
- 1 US Applications filed
- most recent filing
This is official USPTO record data
Details
- 1 US Patents Issued
- 1 US Applications Filed
- 0 Total Citation Count
- Mar 11, 2010 Most Recent Filing
- Mar 11, 2010 Earliest Filing
Work History
Patent Owner | Applications Filed | Year |
---|---|---|
Tong Oil Tools Co., Ltd. | 2
| 2010
|
Inventor Addresses
Address | Duration |
---|---|
Shaanxi, CN | Dec 29, 11 - Dec 17, 13 |
Technology Profile
Technology | Matters | |
---|---|---|
E21B: | EARTH OR ROCK DRILLING | 1 |
F16P: | SAFETY DEVICES IN GENERAL | 1 |
Patents / Publication
Patents / Publication # | Year of Publication / Issued | Title | Citations |
---|---|---|---|
8607856 | 2013 | Cable head for petroleum logging | 0 |
2011/0318,088 | 2011 | CABLE HEAD FOR PETROLEUM LOGGING | 0 |
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